The calculation of GDP using the income approach EXCLUDES

Which of the following pairs of characteristics would be consistent with imperfect competition?

a. Many buyers and sellers and no barriers to entry b. Many buyers and sellers and a homogenous product c. No barriers to entry and all buyers and sellers have perfect information d. Many buyers and sellers and some barriers to entry e. Many buyers and sellers and everyone has perfect information

Which of the following variables is capable of continually increasing aggregate demand with no offsetting influence on any of the components of total spending?

A) the inflation rate B) the interest rate C) government spending D) the money supply E) the wage rate